u-tools/apps/tar/gnu/rmdir.c

   1 /* -*- buffer-read-only: t -*- vi: set ro: */
   2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
   3 /* Work around rmdir bugs.
   4
   5    Copyright (C) 1988, 1990, 1999, 2003-2006, 2009-2011 Free Software
   6    Foundation, Inc.
   7
   8    This program is free software: you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include <config.h>
  22
  23 #include <unistd.h>
  24
  25 #include <errno.h>
  26 #include <string.h>
  27
  28 #include "dosname.h"
  29
  30 #undef rmdir
  31
  32 /* Remove directory DIR.
  33    Return 0 if successful, -1 if not.  */
  34
  35 int
  36 rpl_rmdir (char const *dir)
  37 {
  38   /* Work around cygwin 1.5.x bug where rmdir("dir/./") succeeds.  */
  39   size_t len = strlen (dir);
  40   int result;
  41   while (len && ISSLASH (dir[len - 1]))
  42     len--;
  43   if (len && dir[len - 1] == '.' && (1 == len || ISSLASH (dir[len - 2])))
  44     {
  45       errno = EINVAL;
  46       return -1;
  47     }
  48   result = rmdir (dir);
  49   /* Work around mingw bug, where rmdir("file/") fails with EINVAL
  50      instead of ENOTDIR.  We've already filtered out trailing ., the
  51      only reason allowed by POSIX for EINVAL.  */
  52   if (result == -1 && errno == EINVAL)
  53     errno = ENOTDIR;
  54   return result;
  55 }